American journal of pharmacy . Root of Silphium Laciniatum. — A Transverse section, magnified,with origin of a rootlet. C Pitted duct. D Transverse section,natural size. Fig. D is a cross section of the root, natural size, from which thexiiiferent magnified sections were cut. Following is the result of an analysis made of the resinous juice 0 Am. Jour. , 1881. I SUphium Lacinkdmn, Rosin Weed. 489 which exudes from the stem and foliage of the plant, either spontane-ously or from the puncture of insects. It congeals in small translu-cent, and internally transparent, light yellow tears
American journal of pharmacy . Root of Silphium Laciniatum. — A Transverse section, magnified,with origin of a rootlet. C Pitted duct. D Transverse section,natural size. Fig. D is a cross section of the root, natural size, from which thexiiiferent magnified sections were cut. Following is the result of an analysis made of the resinous juice 0 Am. Jour. , 1881. I SUphium Lacinkdmn, Rosin Weed. 489 which exudes from the stem and foliage of the plant, either spontane-ously or from the puncture of insects. It congeals in small translu-cent, and internally transparent, light yellow tears, of varied forms,breaks with a conchoidal fracture, has an agreeable terebinthinousodor and taste, softens quickly in the mouth, and is easily masticatedand kneaded between the teeth; it has the specific gravity 1-039 at20°C., and upon incineration one gram yielded 0*005 gram or 05of -1 ,.>.-iini|-(i|,,ii:i-_-;i„.8 A-_-):l^- |ull--|llll--Mill . .|»>fcK«M 11 i-r UMitMi-MIW -?iliiriiiii —-r .., ,l\ liil-o\,nMii:il!l .1 ;-i ;\Ji!P-iiilliK-\i(iiriiin~^iiHiii| (?-iv~ii--viin-£iii;ii!ii|i-\iiiri III - i i I I r--| llv|
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Keywords: ., bookcentury1800, bookdecade183, booksubjectpharmacy, bookyear1835
